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  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
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    p {
      font-size: 30px;
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    p span {
      font-size: 18px;
      color: red;
      vertical-align: sub;
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<body>

  <p> Sphinx <span>hello</span></p>
  <p> 斯芬克斯 <span>你好</span></p>

</body>

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